I recently read in a review article that oxalate is the most stable organic acid in calcareous soil which is due to the formation of ca-oxalate reducing its biodegradability. does this notion hold for other soils too? how does the stability of oxalate, citrate, and malate differ in various soils? which one has the shortest half-life ?
@ Kamyer, the stability of organic acids differ due to the differences in sorption and degradation under different soils and environmental conditions. I think, citrate have the shortest half life among the three although it depends on the type of salts you are using. For example, the half life of sodium citrate is 18-54 min, although the average half life of citrate salts is 2-6 h.
Dear Kamyar Amirhosseini
The review article with the title “Origins, roles and fate of organic acids in soils: A review” can be a great dource of knowledge in this regard.
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